diff --git a/app/models/registrant_user.rb b/app/models/registrant_user.rb
index f7e85c5af..74a8ad0e5 100644
--- a/app/models/registrant_user.rb
+++ b/app/models/registrant_user.rb
@@ -20,8 +20,48 @@ class RegistrantUser < User
   def companies(company_register = CompanyRegister::Client.new)
     return [] if ident.include?('-')
 
-    company_register.representation_rights(citizen_personal_code: ident,
-                                           citizen_country_code: country.alpha3)
+    companies = company_register.representation_rights(citizen_personal_code: ident,
+                                                       citizen_country_code: country.alpha3)
+
+    companies = update_contacts_before_receive(companies)
+    companies
+  end
+
+  def update_contacts_before_receive(companies)
+    return if companies.blank?
+
+    companies.each do |company|
+      contacts = Contact.where(ident: company.registration_number, ident_country_code: 'EE')
+
+      next if contacts.blank?
+
+      contacts.each do |contact|
+        next if company.company_name == contact.name
+
+        update_company_name(contact: contact, company: company)
+      end
+    end
+
+    return companies
+  rescue CompanyRegister::NotAvailableError
+    nil
+  end
+
+  def update_company_name(contact:, company:)
+    old_contact_name = contact.name
+    contact.name = company.company_name
+
+    contact.save(validate: false)
+
+    notify_registrar_data_updated(company_name: company.company_name,
+                                  old_contact_name: old_contact_name,
+                                  contact: contact)
+  end
+
+  def notify_registrar_data_updated(company_name:, old_contact_name:, contact:)
+    contact.registrar.notifications.create!(
+      text: "Contact update: #{contact.id} name updated from #{old_contact_name} to #{company_name} by the registry"
+    )
   end
 
   def contacts(representable: true)
diff --git a/test/models/registrant_user_test.rb b/test/models/registrant_user_test.rb
index c61f095f2..987e80c03 100644
--- a/test/models/registrant_user_test.rb
+++ b/test/models/registrant_user_test.rb
@@ -1,6 +1,8 @@
 require 'test_helper'
 
 class RegistrantUserTest < ActiveSupport::TestCase
+  Company = Struct.new(:registration_number, :company_name)
+
   def setup
     super
 
@@ -30,14 +32,34 @@ class RegistrantUserTest < ActiveSupport::TestCase
     assert_equal Country.new('US'), user.country
   end
 
+  def test_should_update_org_contact_if_data_from_business_registry_dismatch
+    assert_equal 'US-1234', @user.registrant_ident
+    org = contacts(:acme_ltd)
+    org.ident_country_code = 'EE'
+    org.save(validate: false)
+    org.reload
+
+    company = Company.new(org.ident, "ace")
+
+    company_register = Minitest::Mock.new
+    company_register.expect(:representation_rights, [company], [{ citizen_personal_code: '1234',
+                                                                  citizen_country_code: 'USA' }])
+    @user.companies(company_register)
+    org.reload
+
+    assert_equal org.name, company.company_name
+  end
+
   def test_queries_company_register_for_associated_companies
     assert_equal 'US-1234', @user.registrant_ident
 
+    company = Company.new("acme", "ace")
+
     company_register = Minitest::Mock.new
-    company_register.expect(:representation_rights, %w[acme ace], [{ citizen_personal_code: '1234',
+    company_register.expect(:representation_rights, [company], [{ citizen_personal_code: '1234',
                                                                      citizen_country_code: 'USA' }])
 
-    assert_equal %w[acme ace], @user.companies(company_register)
+    assert_equal [company], @user.companies(company_register)
     company_register.verify
   end